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A complete understanding of real networks requires us to understand the consequences of the uneven interaction strengths between a system's components. Here we use the minimum spanning tree (MST) to explore the effect of weight assignment…

无序系统与神经网络 · 物理学 2007-05-23 P. J. Macdonald , E. Almaas , A. -L. Barabasi

We consider the problem of data collection from a continental-scale network of energy harvesting sensors, applied to tracking mobile assets in rural environments. Our application constraints favour a highly asymmetric solution, with heavily…

网络与互联网体系结构 · 计算机科学 2016-03-09 Kai Li , Chau Yuen , Branislav Kusy , Raja Jurdak , Aleksandar Ignjatovic , Salil S. Kanhere , Sanjay Jha

We present a self-stabilizing protocol for an overlay network that constructs the Minimum Spanning Tree (MST) for an underlay that is modeled by a weighted tree. The weight of an overlay edge between two nodes is the weighted length of…

分布式、并行与集群计算 · 计算机科学 2018-09-10 Thorsten Götte , Christian Scheideler , Alexander Setzer

This paper studies the robust optimal operation of distribution networks (DNs) under renewable generation and load demand uncertainties, seeking an improved trade-off between robustness and economic performance. Building upon information…

系统与控制 · 电气工程与系统科学 2026-04-28 Zhisheng Xiong , Dimitris Boskos , Bo Zeng , Peter Palensky , Pedro P. Vergara

This paper considers the \textit{minimum spanning tree (MST)} problem in the Congested Clique model and presents an algorithm that runs in $O(\log \log \log n)$ rounds, with high probability. Prior to this, the fastest MST algorithm in this…

分布式、并行与集群计算 · 计算机科学 2014-12-09 Sriram V. Pemmaraju , Vivek B. Sardeshmukh

Sensor placement optimization methods have been studied extensively. They can be applied to a wide range of applications, including surveillance of known environments, optimal locations for 5G towers, and placement of missile defense…

机器学习 · 计算机科学 2024-05-22 Lukas Taus , Yen-Hsi Richard Tsai

Algorithms for dynamically maintaining minimum spanning trees (MSTs) have received much attention in both the parallel and sequential settings. While previous work has given optimal algorithms for dense graphs, all existing parallel…

数据结构与算法 · 计算机科学 2020-10-27 Daniel Anderson , Guy E. Blelloch , Kanat Tangwongsan

We study discrete random walks on the NFSFT and provide new methods to calculate the analytic solutions of the MFPT for any pair of nodes, the MTT for any target node and MDT for any source node. Further more, using the MTT and the MDT as…

统计力学 · 物理学 2015-09-18 Junhao Peng , Guoai Xu

We study the complexity of finding communication trees with the lowest possible completion time for rooted, irregular gather and scatter collective communication operations in fully connected, $k$-ported communication networks under a…

计算复杂性 · 计算机科学 2018-11-28 Jesper Larsson Träff

We present improved learning-augmented algorithms for finding an approximate minimum spanning tree (MST) for points in an arbitrary metric space. Our work follows a recent framework called metric forest completion (MFC), where the learned…

数据结构与算法 · 计算机科学 2026-03-02 Nate Veldt , Thomas Stanley , Benjamin W. Priest , Trevor Steil , Keita Iwabuchi , T. S. Jayram , Grace J. Li , Geoffrey Sanders

Fault location in distribution grids is critical for reliability and minimizing outage durations. Yet, it remains challenging due to partial observability, given sparse measurement infrastructure. Recent works show promising results by…

机器学习 · 计算机科学 2026-05-11 Burak Karabulut , Carlo Manna , Chris Develder

This paper presents a spanning tree-based genetic algorithm (GA) for the reconfiguration of electrical distribution systems with the objective of minimizing active power losses. Due to low voltage levels at distribution systems, power…

系统与控制 · 电气工程与系统科学 2020-08-19 Mukesh Gautam , Narayan Bhusal , Mohammed Benidris , Sushil J. Louis

We consider two natural variants of the problem of minimum spanning tree (MST) of a graph in the parallel setting: MST verification (verifying if a given tree is an MST) and the sensitivity analysis of an MST (finding the lowest cost…

数据结构与算法 · 计算机科学 2024-08-02 Sam Coy , Artur Czumaj , Gopinath Mishra , Anish Mukherjee

In this paper we propose distributed flooding-based storage algorithms for large-scale wireless sensor networks. Assume a wireless sensor network with $n$ nodes that have limited power, memory, and bandwidth. Each node is capable of both…

信息论 · 计算机科学 2009-09-01 Salah A. Aly , Hager S. Darwish , Moustafa Youssef , Mahmoud Zidan

Accurate topology information is critical for effective operation of power distribution networks. Line outages change the operational topology of a distribution network. Hence, outage detection is an important task. Power distribution…

系统与控制 · 计算机科学 2019-02-19 Ananth Narayan Samudrala , M. Hadi Amini , Soummya Kar , Rick S. Blum

Motivated by applications in clustering and synthetic data generation, we consider the problem of releasing a minimum spanning tree (MST) under edge-weight differential privacy constraints where a graph topology $G=(V,E)$ with $n$ vertices…

数据结构与算法 · 计算机科学 2024-08-14 Rasmus Pagh , Lukas Retschmeier

The paper investigates theoretical issues in applying the universal swarming technique to efficient content distribution. In a swarming session, a file is distributed to all the receivers by having all the nodes in the session exchange file…

网络与互联网体系结构 · 计算机科学 2013-06-04 Xiaoying Zheng , Chunglae Cho , Ye Xia

This paper studies the stability and dynamic control of underlay mobile edge networks. First, the stability region for a multiuser edge network is obtained under the assumption of full channel state information. This result provides a…

信息论 · 计算机科学 2018-03-29 Y. Sarikaya , H. Inaltekin , T. Alpcan , J. S. Evans

Despite rapid advancements in sensor networks, conventional battery-powered sensor networks suffer from limited operational lifespans and frequent maintenance requirements that severely constrain their deployment in remote and inaccessible…

网络与互联网体系结构 · 计算机科学 2025-10-27 Bowei Tong , Hui Kang , Jiahui Li , Geng Sun , Jiacheng Wang , Yaoqi Yang , Bo Xu , Dusit Niyato

Delivery systems have become a core part of urban life, supporting the demand for food, medicine, and other goods. Yet traditional logistics networks remain fragile, often struggling to adapt to road closures, accidents, and shifting…

多智能体系统 · 计算机科学 2026-04-07 Md Nahid Hasan , Vishwam Tiwari , Aditya Challa , Vaskar Raychoudhury , Snehanshu Saha